 {
 	title:"排序",
 	content:[
 	{"id"=1, "name"="价格","ifup"=true},
 	{ "id"=2,"name"="综合","ifup"=false},
 	{"id"=3, "name"="销量","ifup"=true},
 	]
 }

 
a={  
	 "regions"=1,
	 "prices"=3,
	 "screen"=1,
	 "ifdown"=1,//升序
	  ||"ifdown"=2,//降序
	  "ifdown"=null
}
//a['regions']
